Home / 838,873,884.51-1,157,655,038.63-462,531,200.49

Finding the Fourth Proportional to 838,873,884.51, 1,157,655,038.63 and 462,531,200.49

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Solution

The fourth proportional to 838,873,884.51, 1,157,655,038.63 and 462,531,200.49 is: 638,298,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,873,884.51 : 1,157,655,038.63 = 462,531,200.49 : x
  2. Step 2: Convert to fraction form
    838,873,884.51/1,157,655,038.63 = 462,531,200.49/x
  3. Step 3: Cross multiply
    838,873,884.51x = 1,157,655,038.63 × 462,531,200.49
  4. Step 4: Simplify right side
    838,873,884.51x = 535,451,574,768,518,592
  5. Step 5: Solve for x
    x = 535,451,574,768,518,592/838,873,884.51
  6. Step 6: Final answer
    x = 638,298,062.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.